Compartment cover system for covering compartment of pickup truck

Abstract

A pickup compartment cover system having a covering layer with a front and a back frame edge. Both a driver and a passenger side include a frame edge fixed at the head of the frame edge, a buckle having a slot with an inward opening, a lock casing on an end of the back frame edge having a lock tongue cavity with an outward opening; a lock tongue provided inside the tongue cavity at the tail with a pulling rod section passing backward through the casing, and a compression spring surrounding the pulling rod section inside the lock tongue cavity pushed on one end against the lock tongue and on the other end against a tip of the lock tongue cavity so the lock tongue protrudes outside of the opening and the opening can further be locked into the slot. The two pulling rod sections connect through a pulling cord.

The invention claimed is: 
     
       1. A compartment cover system for covering a compartment of a pickup truck, comprising a covering layer for covering the compartment of the pickup truck with a front frame edge connected at the front end of the covering layer and a back frame edge connected at the back end of the covering layer, and
 the compartment cover system further comprising a driver-side frame edge and a passenger-side frame edge provided respectively at the top on both sides of the compartment of the pickup truck, wherein both ends of the front frame edge are fixed respectively at the head of the driver-side frame edge and the head of the passenger-side frame edge, characterized in that: 
 a driver-side buckle provided at the tail of the driver-side frame edge comprises a driver-side slot with an opening facing inward, and a passenger-side buckle provided at the tail of the passenger-side frame edge comprises a passenger-side slot with an opening facing inward, wherein the opening of the driver-side slot is defined by a top portion and a bottom portion of the driver-side buckle, and wherein the opening of the passenger-side slot is defined by a top portion and a bottom portion of the passenger-side buckle; 
 a driver-side lock casing provided on the driver-side end of the back frame edge comprises a driver-side lock tongue cavity with a driver-side lock tongue opening facing outward; a driver-side lock tongue provided inside the driver-side lock tongue cavity is provided at the tail with a driver-side pulling rod section passing backward through the driver-side lock casing; and a driver-side compression spring provided surrounding the driver-side pulling rod section inside the driver-side lock tongue cavity is pushed on one end against the driver-side lock tongue and on the other end against the tip of the driver-side lock tongue cavity so that the driver-side lock tongue can protrude outside of the driver-side lock tongue opening and thus the driver-side lock tongue opening can further be locked into the driver-side slot; 
 a passenger-side lock casing provided on the passenger-side end of the back frame edge comprises a passenger-side lock tongue cavity with a passenger-side lock tongue opening facing outward; a passenger-side lock tongue provided inside the passenger-side lock tongue cavity is provided at the tail with a passenger-side pulling rod section passing backward through the passenger-side lock casing; and a passenger-side compression spring provided surrounding the passenger-side pulling rod section inside the passenger-side lock tongue cavity is pushed on one end against the passenger-side lock tongue and on the other end against the tip of the passenger-side lock tongue cavity so that the passenger-side lock tongue can protrude outside of the passenger-side lock tongue opening, and thus the passenger-side lock tongue opening can further be locked into the passenger-side slot; and 
 the driver-side pulling rod section and the passenger-side pulling rod section are connected through a pulling cord. 
 
     
     
       2. The compartment cover system for covering the compartment of the pickup truck according to  claim 1 , characterized in that, a driver-side thread is provided on the driver-side pulling rod section on which a driver-side adjustment nut located outside of the driver-side lock casing is screwed, and a passenger-side thread is provided on the passenger-side pulling rod section on which a passenger-side adjustment nut located outside of the passenger-side lock casing is screwed. 
     
     
       3. The compartment cover system for covering the compartment of the pickup truck according to  claim 1  or  2 , characterized in that, a notch is provided on the back of the back frame edge, both the driver-side lock casing and the passenger-side lock casing are provided in the notch. 
     
     
       4. The compartment cover system for covering the compartment of the pickup truck according to  claim 3 , characterized in that, both the driver-side lock casing and the passenger-side lock casing are positioned in the notch through lock casing bolts. 
     
     
       5. The compartment cover system for covering the compartment of the pickup truck according to  claim 3 , characterized in that, the notch is further provided therein with two pulling cord positioning racks through the pulling cord passes. 
     
     
       6. The compartment cover system for covering the compartment of the pickup truck according to  claim 1  or  2 , characterized in that, a driver-side buckle tongue extends forward from the driver-side end of the back frame edge, and a passenger-side buckle tongue extends forward from the passenger-side end of the back frame edge;
 a driver-side buckle base provided at the tail of the driver-side frame edge is located in front of the driver-side buckle and provided with a driver-side slot which is provided with an opening facing backward and into which the driver-side buckle tongue can be engaged; and 
 a passenger-side buckle base provided at the tail of the passenger-side frame edge is located in front of the passenger-side buckle and provided with a passenger-side slot which is provided with an opening facing backward and into which the passenger-side buckle tongue can be engaged. 
 
     
     
       7. The compartment cover system for covering the compartment of the pickup truck according to  claim 6 , characterized in that, the driver-side buckle base is provided movably at the tail of the driver-side frame edge, and the passenger-side buckle base is provided movably at the tail of the passenger-side frame edge. 
     
     
       8. The compartment cover system for covering the compartment of the pickup truck according to  claim 7 , characterized in that, a driver-side buckle base fixing hole is provided at the tail of the driver-side frame edge, a driver-side nut hole corresponding to the driver-side buckle base fixing hole is provided on the driver-side buckle base, and a driver-side fixing nut is screwed in the driver-side nut hole; and there are further provided a driver-side buckle base locking bolt and a driver-side pad, the driver-side pad has a larger diameter than the length and the width of the driver-side buckle base fixing hole and rests on the bottom surface of the driver-side frame edge at the driver-side buckle base fixing hole, and the driver-side buckle base locking bolt passes through the driver-side pad and the driver-side buckle base fixing hole and then is threaded into the driver-side fixing nut to lock the driver-side buckle base; and
 a passenger-side buckle base fixing hole is provided at the tail of the passenger-side frame edge, a passenger-side nut hole corresponding to the passenger-side buckle base fixing hole is provided on the passenger-side buckle base, and a passenger-side fixing nut is screwed in the passenger-side nut hole; and there are further provided a passenger-side buckle base locking bolt and a passenger-side pad, the passenger-side pad has a larger diameter than the length and the width of the passenger-side buckle base fixing hole and rests on the bottom surface of the passenger-side frame edge at the passenger-side buckle base fixing hole, and the passenger-side buckle base locking bolt passes through the passenger-side pad and the passenger-side buckle base fixing hole and then is threaded into the passenger-side fixing nut to lock the passenger-side buckle base. 
 
     
     
       9. The compartment cover system for covering the compartment of the pickup truck according to  claim 8 , characterized in that, a plurality of driver-side positioning holes are further provided on the driver-side frame edge, and a driver-side positioning block corresponding to the driver-side positioning holes is provided on the driver-side buckle base and the driver-side positioning block is selectively inserted into one of the driver-side positioning holes; and a plurality of passenger-side positioning holes are further provided on the passenger-side frame edge, and a passenger-side positioning block corresponding to the passenger-side positioning holes is provided on the passenger-side buckle base and the driver-side positioning block is selectively inserted into one of the passenger-side positioning holes.